Answer: 12x + 8y = 28, 6x + 4y = 14, and -3x - 2y = -7.
Explanation:
We can multiply both sides of the equation by the same factor to answer this question. Here are three examples:
*4: 12x + 8y = 28
*2: 6x + 4y = 14
*-1: -3x - 2y = -7
9.5m questions
12.2m answers